Shandong Zhongjie Special Equipment (formerly Heze Boiler Factory Co., Ltd.) was established in 2001, located at No. 2218 Jinnan Road, Economic and Technological Development Zone, Heze City. With a registered capital of 50 million yuan and total assets of 500 million yuan, the company has seven business centers: boilers, deep-freezing containers, pressure vessels, central air conditioning, engineering installation, international trade, and Internet of Things. It has three factory sites on Jinnan Road, East Changjiang Road, and Bohai Road, covering a total area of 200,000 square meters, with the main workshop spanning 83,000 square meters. The company currently employs 710 people, including 247 engineering and technical staff and 82 intermediate-level technicians. In December 2016, it was recognized as a "High-tech Enterprise" by the Science and Technology Department. In June 2021, it was identified as a "Specialized and New Enterprise in Shandong Province" by the Ministry of Industry and Information Technology. In June 2022, it was recognized as a "Gazelle Enterprise in Shandong Province" and in August 2022, as a "Specialized and New Small Giant Enterprise" by the Ministry of Industry and Information Technology.
Carbon dioxide tanks offer the following advantages: High storage density: Carbon dioxide tanks can compress CO2 gas into a liquid state, significantly increasing storage density. Compared to gas storage, liquid CO2 can hold more CO2 in a smaller tank, saving space and costs. Environmental friendly and renewable: CO2 is an environmentally friendly gas, and its increased concentration in the atmosphere contributes to warming and climate change. By storing and utilizing CO2, we can reduce its emissions into the atmosphere, promoting environmental protection and sustainable development. Multiple application fields: Carbon dioxide tanks are widely used in various industries, including food and beverage, industry, fire suppression, and gas supply. CO2 serves as a preservative, carbonation agent, gas, and extinguishing agent, among other uses, with broad applications and market demand. Safe and reliable: During design and manufacturing, carbon dioxide tanks typically use high-strength materials (such as carbon steel or stainless steel) with good pressure resistance and safety. The tanks are often equipped with safety valves, pressure gauges, and level indicators to ensure safe operation. Moreover, CO2 is non-flammable and non-explosive, making it relatively safe. These advantages make carbon dioxide tanks an important storage and supply equipment, widely used across multiple industries. However, it is crucial to follow relevant safety operation procedures and standards when using carbon dioxide tanks to ensure safe operation and use.

Carbon dioxide and liquid oxygen storage tanks are equipment used for storing different gases, with some differences in their physical properties: - Physical State: Carbon dioxide (CO2) is a gas at room temperature and requires low temperatures and high pressures to become liquid. Liquid oxygen (LOX) is a liquid at room temperature and can maintain its liquid state without special conditions. - Storage Temperature: The liquid storage temperature of carbon dioxide typically ranges from -40°C to -78.5°C, while the liquid storage temperature of liquid oxygen usually ranges from -183°C to -183.15°C. The storage temperature of liquid oxygen is lower, requiring more stringent insulation measures. - Storage Pressure: The liquid storage pressure of carbon dioxide usually ranges from 5 to 20 MPa, while the liquid storage pressure of liquid oxygen typically ranges from 0.2 to 2 MPa. The storage pressure of liquid oxygen is lower. - Density: The density of liquid carbon dioxide is approximately 0.8 grams/cubic centimeter, while the density of liquid oxygen is approximately 1.14 grams/cubic centimeter. The density of liquid oxygen is greater. - Safety: Liquid oxygen has a high oxygen content, making it highly flammable and oxidizing, necessitating stricter safety measures. Carbon dioxide is relatively safe but can still pose health risks at high concentrations.

The internal structure of a carbon dioxide storage tank typically includes the following main components: Tank Shell: The tank shell serves as the primary container for storing carbon dioxide and is usually made of carbon steel or stainless steel. It is designed with sufficient strength and密封性 to withstand internal tank pressure and loads. Lining Layer: To prevent direct contact between carbon dioxide and the tank shell, avoiding corrosion and contamination, the interior of the tank is usually coated with a lining layer. The lining is typically made of corrosion-resistant materials such as glass fiber reinforced plastic or polyester resin. Support Structure: To support the tank's weight and maintain stability, the interior of the tank usually features a support structure, which can be in the form of support feet or frames, used to support the bottom and side walls of the tank. Internal Accessories: The tank is also equipped with important accessories such as level gauges, pressure sensors, temperature sensors, and safety valves. These accessories are used to monitor and control the liquid level, pressure, and temperature inside the tank to ensure safe operation. Pressure Relief Device: To prevent excessive internal pressure, the tank is usually equipped with a pressure relief device, such as a safety valve. When the internal pressure exceeds the set value, the pressure relief device automatically opens to release pressure, protecting the tank's safety. Inlet and Outlet Pipes: The tank also contains inlet and outlet pipes for injecting and discharging carbon dioxide. These pipes are typically connected to external supply or consumption systems to facilitate the storage and use of carbon dioxide. The above describes the general internal structure of a carbon dioxide storage tank; specific structural design and configuration may vary depending on the tank's application and specifications. When using and maintaining the tank, it is necessary to...

Carbon dioxide tanks possess the following characteristics: High-pressure vessel: Carbon dioxide tanks are typically designed as high-pressure vessels, capable of withstanding high pressures. This is because carbon dioxide requires high pressure at room temperature to maintain a liquid state. High oxidizing properties: Carbon dioxide has high oxidizing properties and can support combustion. Therefore, when using and storing carbon dioxide, precautions must be taken to prevent contact to avoid the risk of fire and explosion. Low-temperature storage: Carbon dioxide is a gas at room temperature but can be compressed into a liquid at lower temperatures. Consequently, carbon dioxide tanks usually need to have excellent insulation properties to maintain the low-temperature state of the stored liquid carbon dioxide. High density: Liquid carbon dioxide has a high density, allowing for the storage of large amounts of carbon dioxide in a relatively small volume. This makes carbon dioxide tanks useful in scenarios requiring substantial carbon dioxide supply. Safety valves and pressure control: To ensure that the internal pressure of the tank remains within a safe range, carbon dioxide tanks are usually equipped with safety valves and pressure control devices. These devices monitor and control the internal pressure of the tank to prevent excessive pressure from causing tank rupture. Corrosive properties: Carbon dioxide has some degree of corrosiveness, particularly in high humidity environments. Therefore, the materials and corrosion prevention measures of the tank need to consider the corrosiveness of carbon dioxide to ensure the tank's durability and safety. These characteristics make carbon dioxide tanks widely applicable in many industries, such as the food and beverage industry, fire extinguishing, and the gas industry. When using carbon dioxide tanks, it is necessary to follow relevant safety operating procedures and standards to ensure operational safety.
Our company attaches great importance to technological innovation and R&D, with 1 city-level enterprise technology center in Heze City. We have built non-destructive testing, physical and chemical testing, welding testing, hydrostatic testing, and other testing facilities, and equipped with over 600 pieces of various equipment including CNC machine tools, X-ray flaw detectors, digital ultrasonic flaw detectors, mechanical property testing machines, chemical analyzers, spectrometers, tensile testing machines, and plasma welding machines. The key products we have developed, such as thermal pressure vessel welding, biomass boiler emission reduction, and waste heat recovery, have successively been selected for multiple Shandong Province Department of Industry and Information Technology science and technology innovation projects, key projects in Shandong Province, and Heze City innovative and excellent projects, etc. We have obtained 27 authorized utility models, 16 authorized inventions, participated in drafting 2 standards, 2 industrial standards, and registered 15 trademarks. Our technical team, in collaboration with Professor Li Yajiang of Shandong University, has jointly developed deep cryogenic container processing technology using the international plasma arc + filler wire argon arc combination welding (PAW-GTAW) technology. After being appraised as a provincial-level scientific and technological achievement, the technology level has reached an international standard in the field of deep cryogenic container manufacturing. Choose Zhongjie Special Equipment, let's create brilliance together!